- All sections
- E - Fixed constructions
- E01B - Permanent waypermanent-way toolsmachines for making railways of all kinds
- E01B 3/46 - Transverse or longitudinal sleepersOther means resting directly on the ballastway for supporting rails made from different materials
Patent holdings for IPC class E01B 3/46
Total number of patents in this class: 83
10-year publication summary
|
2
|
2
|
6
|
3
|
9
|
9
|
11
|
4
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Getzner Werkstoffe Holding GmbH | 90 |
11 |
| Braskem S.A. | 479 |
6 |
| Dow Global Technologies LLC | 10930 |
4 |
| Encell Composites, LLC | 6 |
3 |
| Rutgers, The State University of New Jersey | 1975 |
3 |
| CDM NV | 19 |
3 |
| Fimor | 4 |
2 |
| Geotek, LLC | 13 |
2 |
| Politechnika Krakowska Im. Tadeusza Kosciuszki | 19 |
2 |
| Rst-rail Systems and Technologies GmbH | 2 |
2 |
| Sekisui Chemical Co., Ltd. | 3606 |
2 |
| Solidia Technologies, Inc. | 78 |
2 |
| Copper Care Wood Preservatives, Inc. | 19 |
2 |
| Hunan Taohuajiang Bamboo Science & Technology Co., Ltd. | 20 |
2 |
| Baret | 3 |
2 |
| Rubbergreen Industrie | 22 |
2 |
| INNOECO POLSKA Spółka z ograniczoną odpowiedzialnością | 2 |
2 |
| Sileto Technologies LLC | 4 |
2 |
| Evertrak LLC | 3 |
2 |
| Carbonloc Pty Ltd | 1 |
1 |
| Other owners | 26 |